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BG111638A - Braille display - Google Patents

Braille display

Info

Publication number
BG111638A
BG111638A BG111638A BG11163813A BG111638A BG 111638 A BG111638 A BG 111638A BG 111638 A BG111638 A BG 111638A BG 11163813 A BG11163813 A BG 11163813A BG 111638 A BG111638 A BG 111638A
Authority
BG
Bulgaria
Prior art keywords
magnetic
ferromagnetic
conduits
grid
electromagnets
Prior art date
Application number
BG111638A
Other languages
Bulgarian (bg)
Other versions
BG66734B1 (en
Inventor
Димитър КАРАСТОЯНОВ
Иван ЯЧЕВ
Йоско БАЛАБОЗОВ
Кръстьо ХИНОВ
Original Assignee
Институт По Информационни И Комуникационни Технологии При Бан
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Институт По Информационни И Комуникационни Технологии При Бан filed Critical Институт По Информационни И Комуникационни Технологии При Бан
Priority to BG111638A priority Critical patent/BG66734B1/en
Priority to PCT/BG2014/000038 priority patent/WO2015077846A1/en
Publication of BG111638A publication Critical patent/BG111638A/en
Publication of BG66734B1 publication Critical patent/BG66734B1/en

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B21/00—Teaching, or communicating with, the blind, deaf or mute
    • G09B21/001—Teaching or communicating with blind persons
    • G09B21/003—Teaching or communicating with blind persons using tactile presentation of the information, e.g. Braille displays
    • G09B21/004—Details of particular tactile cells, e.g. electro-mechanical or mechanical layout

Landscapes

  • Engineering & Computer Science (AREA)
  • Educational Administration (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Audible And Visible Signals (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)

Abstract

The display represents the grid (14) with the open and placed under it on the base (1) matrix of electromagnets, consisting of external magneto conduit (2), coils (3 and 5) with magnetic conduits (4 and 6) and moving in the area between the windings non-magnetic body (7), which carries non-magnetic needle (9) and axial non-magnetisable permanent magnet (8) with a ferromagnetic washers (10 and 11) on both sides (top and bottom) , respectively, with cylindrical poles (12) to magnetic conduits (4) and ferromagnetic washer (10) and conical poles (13) to magnetic conduits (6) and ferromagnetic washer (11). Over electromagnets is a grid with openings (14) (Braille display), through which pass the needles (9). It is applicable for the creation of a help text/graphical computer interface for visually impaired people.
BG111638A 2013-11-29 2013-11-29 Braille display BG66734B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BG111638A BG66734B1 (en) 2013-11-29 2013-11-29 Braille display
PCT/BG2014/000038 WO2015077846A1 (en) 2013-11-29 2014-10-24 Braille display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BG111638A BG66734B1 (en) 2013-11-29 2013-11-29 Braille display

Publications (2)

Publication Number Publication Date
BG111638A true BG111638A (en) 2015-05-29
BG66734B1 BG66734B1 (en) 2018-09-17

Family

ID=52015775

Family Applications (1)

Application Number Title Priority Date Filing Date
BG111638A BG66734B1 (en) 2013-11-29 2013-11-29 Braille display

Country Status (2)

Country Link
BG (1) BG66734B1 (en)
WO (1) WO2015077846A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101788251B1 (en) 2016-05-31 2017-10-19 주식회사 닷 Information output apparatus
CN109154866A (en) 2016-04-27 2019-01-04 株式会社Dot Information output device
IT201600088204A1 (en) * 2016-08-30 2018-03-02 Fondazione St Italiano Tecnologia Bistable actuator based on electromagnetic attraction.
EP3382678B1 (en) * 2017-03-27 2019-07-31 Ecole Polytechnique Federale De Lausanne (Epfl) An electromagnetic actuator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2707362C2 (en) * 1977-02-21 1978-08-10 Klaus-Peter Dipl.-Ing. 7000 Stuttgart Schoenherr Bistable device for displaying at least one point of tactile information
DE3044599A1 (en) * 1980-11-27 1982-07-08 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt EM controlled pins for braille system - have alternate pole pieces and magnets and slide inside holders containing EM coils
US6417821B1 (en) 1999-06-28 2002-07-09 John V. Becker Braille computer monitor

Also Published As

Publication number Publication date
WO2015077846A1 (en) 2015-06-04
BG66734B1 (en) 2018-09-17

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